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Home >> Subaru >> 2022 >> WRX Premium, Standard Trans >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Air Bag System (Diagnostics) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC B1000: Airbag Ecu Malfunction

DTC B1000: Airbag Ecu Malfunction

Diagnosis start condition: 

When the ignition voltage is 10 - 16 V.

DTC detecting condition: 

Airbag control module internal circuit is faulty.

CAUTION:

Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to  AIRBAG (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION  

  1. CHECK DTC  .

    Read the DTC of [Airbag] using the Subaru Select Monitor. Ref. to AIRBAG (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 

    Is any of B1000, B1003, B1007, B1105, B1106, B1115, B1116, B1117, B1118, B1120, B1121, B1125, B1126, B1145, B1146, B1170, B1185, B1195, B1196 or B1199 displayed? (Current code)

    Yes  : Replace the airbag control module. Ref. to AIRBAG SYSTEM>AIRBAG CONTROL MODULE>REMOVAL

    No  : Using the Subaru Select Monitor, perform the clear memory of [Airbag]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY